45421911216 has 300 divisors, whose sum is σ = 145470291736. Its totient is φ = 13672074240.

The previous prime is 45421911203. The next prime is 45421911343. The reversal of 45421911216 is 61211912454.

45421911216 is a `hidden beast` number, since 4 + 5 + 421 + 9 + 11 + 216 = 666.

45421911216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 25560120 + ... + 25561896.

Almost surely, 2^45421911216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45421911216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72735145868).

45421911216 is an abundant number, since it is smaller than the sum of its proper divisors (100048380520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45421911216 is a wasteful number, since it uses less digits than its factorization.

45421911216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1956 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 45421911216 in words is "forty-five billion, four hundred twenty-one million, nine hundred eleven thousand, two hundred sixteen".